Home / 13,916,017.20-20,874,025.80-8,233,316.40

Finding the Fourth Proportional to 13,916,017.20, 20,874,025.80 and 8,233,316.40

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Solution

The fourth proportional to 13,916,017.20, 20,874,025.80 and 8,233,316.40 is: 12,349,974.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916,017.20 : 20,874,025.80 = 8,233,316.40 : x
  2. Step 2: Convert to fraction form
    13,916,017.20/20,874,025.80 = 8,233,316.40/x
  3. Step 3: Cross multiply
    13,916,017.20x = 20,874,025.80 × 8,233,316.40
  4. Step 4: Simplify right side
    13,916,017.20x = 171,862,458,953,163.12
  5. Step 5: Solve for x
    x = 171,862,458,953,163.12/13,916,017.20
  6. Step 6: Final answer
    x = 12,349,974.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.